Contours of different elevations may cross each other only in case of

The operation of revolving plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground is known as

The profile leveling is usually used for determining

The longest chain line passing through the centre of area is

Box sextant is used for the measurement of

Reduced bearing is obtained when the whole circle bearing of a line exceeds

A triangle may be defined as well conditioned when the triangle is

The included angles of a theodolite transverse are measured

The north line of a map is marked on the

Anallatic lens is a

The horizontal angle between true meridian and magnetic meridian is known as

The constant ...... between two consecutive contours is called contour interval

Closely spaced contour lines represent ...... area

If the length of a chain line along a slope of θ° is 1 required slope correction is

An imaginary line joining the points of equal elevation on the surface of the earth, is a

A set of curves having centres in the same side is known as .... curve

A simple circular curve is designated by

If a level is in permanent adjustment, its line of collimation is parallel to the axis of the

The smallest division of the B.I.S levelling staff is equal to

In a level tube, the larger the radius of curvature ...... is the sensitiveness

Reduced level of a point is its elevation with reference to

The part of surveying which deals with the measurement in a vertical plane is

Correction applied for pull in tape can be

Incorrect length of chain is source of error

Is the method of solving three point problem

The alidade provides..... in plane table surveying

Field work and plotting are done simultaneously in

The permissible error in prismatic compass survey is

A river training structure constructed into the river flow extending from bank to river

The forces which meet at one point and their line of action lines in the same plane on are called

The straight line tangential to longitudinal curve of the level tube at its center is called

An instrument used for measuring horizontal and vertical angles accurately

Which method gives more accurate results in the measurement of areas

The instrument used for the measurement of area on a map

If the contour lines are equally spaced, they indicate

The vertical distance between any two consecutive contours is called

A set of close contour lines with higher values inside it represent

The operation of leveling carried out to determine the elevations of the points at known distance apart along given straight line is called as

The line passing through the optical center of the objective and the point of intersection of the cross hair and its continuation is called

The sum of interior angles of a closed traverses equal to ----------- Where n is the number of sides

The two point and three point problems are method of

In plane tables surveys, to locate the position of inaccessible points the method used is

Variation in declination due to magnetic storms, earthquakes and other solar influences are called

If the observed back bearing of the line is N60° 30' E, what is the fore bearing?

If the bearing of the line is observed to be 20° 20' ; then its back bearing would be

The horizontal angle, which a line makes with the magnetic meridian is called

Fore and back bearing for a line whose end stations are free local attraction, if it differs exactly by

If a measuring tape is too long as standard length, the error will be a

The longest chain line passing through the center of the area is known as

A system of surveying in which sides of various triangle are measured directly in the field with a chain and no angular measurements are taken is known as